Home / 2,199.20-3,299.27-737.96

Finding the Fourth Proportional to 2,199.20, 3,299.27 and 737.96

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Solution

The fourth proportional to 2,199.20, 3,299.27 and 737.96 is: 1,107.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.20 : 3,299.27 = 737.96 : x
  2. Step 2: Convert to fraction form
    2,199.20/3,299.27 = 737.96/x
  3. Step 3: Cross multiply
    2,199.20x = 3,299.27 × 737.96
  4. Step 4: Simplify right side
    2,199.20x = 2,434,709.10
  5. Step 5: Solve for x
    x = 2,434,709.10/2,199.20
  6. Step 6: Final answer
    x = 1,107.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.